browserytools

152 free browser-based tools in 17 languages. Your files and text are processed in your browser — no uploads, no accounts, no ads. Image & on-device AI tools, PDF, converters, formatters, calculators, generators. Some AI tools download model weights on first use. Maintained by aghyad97 on GitHub, where it has earned 680 stars from the community.

It's actively developed around tools, browser-tools, client-side, and is a solid reference for anyone building with these tools.